Description

(n-Pyrrolidonepropyl)Methylsiloxane-Dimethylsiloxane Copolymer is a specialized organosilicon compound engineered to combine the unique properties of pyrrolidone with the versatility of silicone polymers. This copolymer is valued for its ability to act as a multifunctional additive, offering excellent compatibility, surface activity, and solubility enhancement in complex formulations. It serves as a critical performance ingredient for industries requiring advanced material science solutions, particularly in personal care, coatings, and specialty chemical manufacturing.

Application

• Personal Care & Cosmetics: Acts as a substantive conditioning agent, film-former, and delivery enhancer for active ingredients in hair care and skincare products.
• Industrial Coatings & Inks: Functions as a flow and leveling additive, wetting agent, and anti-cratering agent to improve surface finish and application properties.
• Adhesives & Sealants: Used as a compatibilizer and adhesion promoter, enhancing bond strength and stability in silicone-modified systems.
• Textile & Fiber Treatment: Imparts durable softness, lubricity, and anti-static properties to synthetic and natural fibers.
• Plastics & Polymer Modification: Serves as an internal lubricant and processing aid to improve mold release and surface characteristics of engineered polymers.
• Pharmaceutical & Transdermal Delivery: Employed as a penetration enhancer and solubilizer in topical and transdermal drug delivery systems.

Basic Information

Product Name	(n-Pyrrolidonepropyl)Methylsiloxane-Dimethylsiloxane Copolymer
CAS No.	179005-03-9
Molecular Formula	Contact for details
Molecular Weight	Varies by grade and copolymer ratio
Synonyms	Poly[dimethylsiloxane-co-methyl(3-(1-pyrrolidinyl)propyl)siloxane]; Silicone Pyrrolidone Copolymer; Pyrrolidone-Functional Silicone; Poly(dimethyl/methylpyrrolidonepropyl) siloxane; PVP-Silicone Copolymer; N-Vinyl-2-pyrrolidone silicone copolymer; (n-Pyrrolidonepropyl)methylsiloxane-dimethylsiloxane copolymer; Dimethylsiloxane, methyl(3-(1-pyrrolidinyl)propyl)siloxane polymer
EINECS	Contact for details

Quality Control

Our (n-Pyrrolidonepropyl)Methylsiloxane-Dimethylsiloxane Copolymer is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent performance, including assessment of viscosity, refractive index, functional group content, and purity. Certificates of Analysis (COA) documenting these specifications are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. For long-term storage, consider using an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Clear to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Viscosity (25°C)	Specification available upon request
Refractive Index (n20D)	Specification available upon request
Pyrrolidone Content	Specification available upon request
Assay (NMR)	≥ 95%
Water Content	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.